This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 10 |
| 6 | 12 |
| 7 | 52 |
| 8 | 74 |
| 9 | 136 |
| 10 | 242 |
| 11 | 305 |
| 12 | 670 |
| 13 | 1431 |
| 14 | 1706 |
| 15 | 1713 |
| 16 | 3956 |
| 17 | 18331 |
| 18 | 22238 |
| 19 | 25162 |
| 20 | 107332 |
| 21 | 162778 |
| 22 | 169479 |
| 23 | 431228 |
| 24 | 459704 |
| 25 | 1808681 |
| 26 | 1813273 |
| 27 | 5954563 |
| 28 | 10351930 |
| 29 | 27931668 |
| 30 | 32490143 |
| 31 | 201039164 |
| 32 | 311357190 |
| 33 | 733854046 |
| 34 | 1677164490 |
| 35 | 3722808264 |
| 36 | 9000784596 |